diff --git a/account/src/main/java/de/muehlencord/shared/account/ui/LoginView.java b/account/src/main/java/de/muehlencord/shared/account/ui/LoginView.java
index e6281e6..588579f 100644
--- a/account/src/main/java/de/muehlencord/shared/account/ui/LoginView.java
+++ b/account/src/main/java/de/muehlencord/shared/account/ui/LoginView.java
@@ -41,7 +41,7 @@ public class LoginView implements Serializable {
     private String resetPasswordToken = null;
 
     private static final Logger LOGGER = LoggerFactory.getLogger(LoginView.class.getName());
-    
+
     public void authenticate() {
 
         // Example using most common scenario of username/password pair:
@@ -63,11 +63,15 @@ public class LoginView implements Serializable {
             String fallbackUrl = "/web/index.xhtml"; // TODO make configurable
             // ec.redirect(url);
             WebUtils.redirectToSavedRequest((ServletRequest) ec.getRequest(), (ServletResponse) ec.getResponse(), fallbackUrl);
-        } catch (IOException | AuthenticationException e) {
+        } catch (IOException | AuthenticationException ex) {
             // Could catch a subclass of AuthenticationException if you like
             String hint = "Error while authenticating user " + username;
-            LOGGER.error(hint + "Reason: " + e.toString());
-            FacesUtil.addErrorMessage("Login failed"); 
+            if (LOGGER.isDebugEnabled()) {
+                LOGGER.debug(hint, ex);
+            } else {
+                LOGGER.error(hint + " Reason: " + ex.toString());
+            }
+            FacesUtil.addErrorMessage("Login failed");
 
             AccountEntity account = accountService.getAccountEntity(username, false);
             if (account != null) {
@@ -96,11 +100,11 @@ public class LoginView implements Serializable {
         boolean passwordResetted = accountService.resetPassword(username, password, resetPasswordToken);
         if (passwordResetted) {
             // TODO add email notification on updated user account            
-            FacesUtil.addInfoMessage ("Password resetted"); 
+            FacesUtil.addInfoMessage("Password resetted");
             return login();
         } else {
             // TODO add email notificaton on failed password reset
-            FacesUtil.addErrorMessage("Password reset failed"); 
+            FacesUtil.addErrorMessage("Password reset failed");
             return login();
         }
     }
diff --git a/pom.xml b/pom.xml
index 1327f33..1835a91 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,7 +44,6 @@
         <freemarker.version>2.3.24-incubating</freemarker.version>
         <pdfbox.version>2.0.2</pdfbox.version>
         <gson.version>2.7</gson.version>
-        <shiro.version>1.3.2</shiro.version>
     </properties>
     
     <dependencyManagement>
@@ -110,12 +109,12 @@
             <dependency>
                 <groupId>org.apache.shiro</groupId>
                 <artifactId>shiro-core</artifactId>
-                <version>${shiro.version}</version>
+                <version>1.4.0</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.shiro</groupId>
                 <artifactId>shiro-web</artifactId>
-                <version>${shiro.version}</version>
+                <version>1.4.0</version>
             </dependency>            
             <dependency>
                 <groupId>javax</groupId>